阅读下面短文，按照句子结构的语法性和上下文连贯的要求，在空格处填入一个适当的词或使用括号中词语的正确形式填空，并将答案填写在答题卡标号为31－40的相应位置上。Rivers are

阅读下面短文，按照句子结构的语法性和上下文连贯的要求，在空格处填入一个适当的词或使用括号中词语的正确形式填空，并将答案填写在答题卡标号为31－40的相应位置上。
Rivers are one of our most important natural resources. Many of the world’s great 【小题1】 are located on rivers, and almost 【小题2】 country has at least one river flowing through it that plays 【小题3】 important part in the lives of its people.
Since the beginning of history, people 【小题4】 (use) rivers for transportation. The longest one in the United States is the Mississippi, and the lifeline of Egypt is the Nile. 【小题5】 transportation, rivers give water to drink, water for crops, and chances for fun and recreation for the people 【小题6】 live along their banks.
However, large cities and industries that are located on rivers often make problems. As the cities grow 【小题7】 size and industries increase in number, the water in the rivers becomes 【小题8】 (pollute) with chemicals and other materials. People are learning the 【小题9】 (important) of doing more to keep their rivers clean 【小题10】 they want to enjoy the benefits of this natural resource.cities

(答案→)cities 解析：可联系答.案.网客服索取。

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B解析试题分析：本题考查学生对于中国古代君主专制制度的理解能力。从材料“设在皇宫内，与皇帝日常生活办公地毗邻”，可得出军机处易于保密，而且便于皇帝宣召，故 ②③两项正确；此外，这样位置较近的设置也有提高办事效率的考虑，故④项正确；军机处并不是负责皇帝生活起居的机构，因此①项错误。 故选B。考点：中国古代政治制度 点评：军机处的设立是清朝君主专制发展到顶峰的标志。专制主义中央集权制度是我国古代的政治体制，除了要掌握清代的军机除外，隋唐的三省六部制、宋朝的“二府三司”制、元代的一省制、明代废丞相设内阁等内容都要求掌握，也是考试的重点。

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